Bluetooth conference speaker with microphone. Bluetooth conference call speaker with new voice enhancement technology to eliminate background noise. Our Bluetooth microphone and speaker are easy to pair with your PC phone via USB or Bluetooth business conference. The conference microphone features a customized DSP algorithm to ensure you always sound crystal-clear with a full duplex design. 8000MAH Rechargeable battery support for a full-day meeting. 8000mAH battery supports long-term calling for 24 hours without being interrupted due to lack of power. The clarity of sound covers your entire meeting space. Each speakerphone is built with 4 microphones that transmit your voice to anyone who needs to make an ideal solution for any proper office environment. 39.37 FT pickup range for a medium room. It automatically focuses on Music or other audio voice sources to ensure high-quality and reliable communication experiences for conference rooms of up to 30 people. It is compatible with Skype, Zoom, WebEx, Goto Meeting, Google Hangout and Facetime.